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A strange situation ... (Read 14038 times)
rgirling
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Re: A strange situation ...
Reply #58 - Apr 27th, 2016, 12:49pm
 
Actually, there was no noise involved, as the leaking water slid down the back of the pan like a well-oiled racing snake. I wouldn't have dreamed of polluting her bathroom with either a number one or (God forbid) a number two, so I was unaware of the leak as I didn't lift the lid! Lesson learned - I'll do a proper recce in the future!
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thescruff
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Re: A strange situation ...
Reply #57 - Apr 26th, 2016, 8:06pm
 
I'm surprised you couldn't hear or feel it in that cistern, or are you not allowed in the wifes bathroom.  Wink
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rgirling
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Re: A strange situation ...
Reply #56 - Apr 26th, 2016, 4:39pm
 
If only I'd have realised that the diaphragm you were referring to was the one that let the water into the pan and NOT the one in the supply valve, I'd have saved everyone a lot of trouble! Smiley
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rgirling
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Re: A strange situation ...
Reply #55 - Apr 22nd, 2016, 11:38pm
 
Less now than previously, but still the occasional Phantom, Bentley Arnage and Flying Spur, Maybach, etc. One of my regulars was in the '66 team and as it's the 50th. anniversary this year, I expect there'll be a bit of running about to come.  Grin
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Re: A strange situation ...
Reply #54 - Apr 22nd, 2016, 10:14pm
 
rgirling wrote on Apr 21st, 2016, 2:08pm:
SOLVED!

I found that the WC in my wife's bathroom ....


There's posh!!

How are you doing, Ray...still driving those lovely motors about the place  Wink
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Re: A strange situation ...
Reply #53 - Apr 22nd, 2016, 8:00am
 
Thanks for the update Ray, good to know I haven't gone completely doolaly, I think that was about my 2nd post last year.  Grin
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rgirling
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Re: A strange situation ...
Reply #52 - Apr 21st, 2016, 2:08pm
 
SOLVED!

I found that the WC in my wife's bathroom was letting water by (into the pan) and had been doing for some time! I replaced the Multiquik flush and the noise has never occurred since. I can only think that this was sometimes causing the shut-off valve in the toilet to "bounce" or oscillate. Anyway, we're finally free of the problem and offer many thanks to all those who helped and made suggestions.

Ray (and sheepish grin from wife Jean)
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rgirling
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Re: A strange situation ...
Reply #51 - Jan 15th, 2016, 4:38pm
 
thescruff wrote on Jan 15th, 2016, 4:18pm:
Turning the gate valve down will reduce the flow not the head


Yes, quite so. But adjusting the CW inlet valve (ballcock) to its lowest setting has reduced the head a little, which is what I said.

Appreciate all the suggestions!

Ray
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Re: A strange situation ...
Reply #50 - Jan 15th, 2016, 4:18pm
 
I think you'd be better investigating as much as you can under the floor and hidden to see what you can find.

Turning the gate valve down will reduce the flow not the head
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rgirling
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Re: A strange situation ...
Reply #49 - Jan 15th, 2016, 12:40pm
 
thescruff wrote on Dec 31st, 2015, 11:18pm:
Sorry Ray, not possible unless you have running water and even then unlikely.

What does the valve feed/turn off.

What size pipe is the cold feed.

Is the pipe hot/warm below the valve.


The valve shuts off the cold supply from the storage tank and definitely stops the noise when fully closed.

The pipe is 22mm.

It's a cold feed, so no - not warm anywhere.

I've got the storage tank supply valve set at its lowest setting which has reduced the head of water, but not by much.

Over the last couple of weeks, the noise has been triggered two or three times by my wife walking into her bathroom. No, she's slim and fit, it's not a load problem! However, it seems that some movement or flexing of the floor sets the noise off, so I'm now investigating the mounting clips, etc. The trouble is that - when the noise starts - by the time I've got beneath the floor, it's stopped again. I can't find what or where unless it's making the noise and it's almost impossible now to make it start. Bugger!

Ray
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Re: A strange situation ...
Reply #48 - Jan 5th, 2016, 11:48pm
 
Probably the only way to track the problem Woodsmith, take each part out of the equation.

A listening stick may help to get you nearer to the noise.

The noise is too regular to be water hammer and in any case you need running water for that. As per Rays opening post it sounds like a motor or in my opinion a pump
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Re: A strange situation ...
Reply #47 - Jan 5th, 2016, 9:41am
 
Could the shower pump have a flow valve fitted in the supply which is oscillating, perhaps it would be worth turning off the isolating valves feeding it?
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Re: A strange situation ...
Reply #46 - Jan 5th, 2016, 9:18am
 
woodsmith wrote on Jan 5th, 2016, 9:00am:
Scruff, what about fitting a mini Rester to the cold pipe where it leaves the tank to feed the house, do you think that may make a difference?

http://www.toolstation.com/shop/p85345




Dont think it will make any difference Woodsmith.

Still thinking about the problem so talking out loud to myself.

Gate valves and checkvalves can rattle, but, you need running water, or perhaps better circulating water.

Turning the gate valve off has stopped the noise which kind of proves the theory but Ray has also said opening any tap also stops the noise.

It's possible to get parastatic circulation in a pipe but it wouldn't be as regular as the recording, same applies if the coil in the cylinder has gone. I did ask question but not answered.

Clutching at straws I would probably change the gate valve
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woodsmith
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Re: A strange situation ...
Reply #45 - Jan 5th, 2016, 9:00am
 
Scruff, what about fitting a mini Rester to the cold pipe where it leaves the tank to feed the house, do you think that may make a difference?

http://www.toolstation.com/shop/p85345

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« Last Edit: Jan 5th, 2016, 9:02am by woodsmith »  


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thescruff
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Re: A strange situation ...
Reply #44 - Dec 31st, 2015, 11:18pm
 
Sorry Ray, not possible unless you have running water and even then unlikely.

What does the valve feed/turn off.

What size pipe is the cold feed.

Is the pipe hot/warm below the valve.

And a very happy and Prosperous new year to you
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rgirling
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Re: A strange situation ...
Reply #43 - Dec 23rd, 2015, 12:05pm
 
Further update: Threw the mains switch - no difference. I then fully turned off the gate valve on the down-pipe from the storage tank and the noise stopped. I think this sort of proves that the noise is related to the head of water, so I'll turn that down as low as I can go and see what happens.

Merry Christmas and a Happy New Year!


Ray
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Re: A strange situation ...
Reply #42 - Dec 21st, 2015, 8:56am
 
Update: I isolated the shower - made no difference, but not surprising because, as I said earlier, it has separate balanced supplies.

Next task - throw the mains switch!

Ray
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